{"schemaVersion":1,"symbol":"ALT","days":90,"observations":[{"symbol":"ALT","expiry":"2026-11-20","observed_at":"2026-10-21T14:58:35.260000+00:00","captured_at":"2026-10-21T15:05:24.475Z","last_trade_at":"2026-10-21T15:05:23.954843421Z","price":2.315,"iv_pct":250.44487825759282,"implied_move_pct":70.14095367684577,"put_call_skew_pp":-8.161732105849007,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALT","source_hash":"1dd677c45205cc13c85e7d1d165a3128853960a3f0725b278ccd089201e3da76"},{"symbol":"ALT","expiry":"2026-11-20","observed_at":"2026-10-21T15:25:38.388000+00:00","captured_at":"2026-10-21T15:31:26.884Z","last_trade_at":"2026-10-21T15:31:05.314038777Z","price":2.285,"iv_pct":260.9710742213962,"implied_move_pct":73.76719705791267,"put_call_skew_pp":165.48355636823544,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALT","source_hash":"31778833610b7065a832a391e8638e9d3283b5989ab5e470c8248840de6e4e96"},{"symbol":"ALT","expiry":"2026-11-20","observed_at":"2026-10-21T16:39:53.220000+00:00","captured_at":"2026-10-21T16:42:51.342Z","last_trade_at":"2026-10-21T16:42:47.280538936Z","price":2.295,"iv_pct":336.0087393972759,"implied_move_pct":148.08996901484795,"put_call_skew_pp":99.91518215164253,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALT","source_hash":"d4dd9cc8adf1b5f59f167b0808d15de34ad61d967cb3385ad0a20db228a0b81e"},{"symbol":"ALT","expiry":"2026-11-20","observed_at":"2026-10-21T16:39:53.231000+00:00","captured_at":"2026-10-21T16:53:28.763Z","last_trade_at":"2026-10-21T16:53:03.529035286Z","price":2.29,"iv_pct":338.18569936853373,"implied_move_pct":149.34900225681648,"put_call_skew_pp":145.84328783613415,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALT","source_hash":"c2929bd6b7f85e66dcd7d3a2aac389497aa52a467b314e2a722c6b36bf33a972"},{"symbol":"ALT","expiry":"2026-11-20","observed_at":"2026-10-21T17:05:01.595000+00:00","captured_at":"2026-10-21T17:19:46.783Z","last_trade_at":"2026-10-21T17:19:27.773500163Z","price":2.285,"iv_pct":340.3938116621787,"implied_move_pct":150.6035402465423,"put_call_skew_pp":80.20586844468399,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALT","source_hash":"24415cad051c13ba04d1e4485b9abb03e35ea843051279f05e09ef89b788b9d2"}],"dailyIv":[{"symbol":"ALT","date":"2026-07-24","iv_pct":320.8430372469671,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-07-31","call_iv_pct":761.9350639783884,"put_iv_pct":637.5220958663543},{"expiry":"2026-08-07","call_iv_pct":401.6090433336177,"put_iv_pct":100.69902158979392},{"expiry":"2026-08-14","call_iv_pct":194.81435173824133,"put_iv_pct":146.08417128301377},{"expiry":"2026-08-21","call_iv_pct":87.44737663614576,"put_iv_pct":236.63317355018188}],"source":"ThetaData EOD Greeks","source_hash":"0030f9b9abd04608bb0034549a75b3a339b12e47a96102c7c763f667ab4ae2e9","captured_at":"2026-10-21T15:30:12.662036+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-07-27","iv_pct":237.74609786132837,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-07-31","call_iv_pct":95.76672971835136,"put_iv_pct":144.47478372387587},{"expiry":"2026-08-07","call_iv_pct":113.04020155841592,"put_iv_pct":268.3891378309755},{"expiry":"2026-08-14","call_iv_pct":424.1806861088917,"put_iv_pct":385.65025321888413},{"expiry":"2026-08-21","call_iv_pct":145.64178192304232,"put_iv_pct":324.8252088081901}],"source":"ThetaData EOD Greeks","source_hash":"63961d358cec37af4a4f236126ab412220ffd2f22cb2c7b0d57ce736cea0d2cd","captured_at":"2026-10-21T15:30:10.622618+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-07-28","iv_pct":288.086726094607,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-07-31","call_iv_pct":85.95470707157611,"put_iv_pct":196.37793648208464},{"expiry":"2026-08-07","call_iv_pct":142.10835376570552,"put_iv_pct":713.4357915955505},{"expiry":"2026-08-14","call_iv_pct":541.1698405108672,"put_iv_pct":250.4572017310253},{"expiry":"2026-08-21","call_iv_pct":208.6273192850425,"put_iv_pct":166.56265831500428}],"source":"ThetaData EOD Greeks","source_hash":"3797a2c166f51980cda6b59518c9eb46e9fd07ac2bc272e1131eeb8157eafd78","captured_at":"2026-10-21T15:30:08.489744+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-03","iv_pct":288.02167460882754,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-07","call_iv_pct":315.65257077625574,"put_iv_pct":259.3083836268443},{"expiry":"2026-08-14","call_iv_pct":151.70788508979354,"put_iv_pct":600.1398451612903},{"expiry":"2026-08-21","call_iv_pct":102.07640739417752,"put_iv_pct":341.6312974792548},{"expiry":"2026-08-28","call_iv_pct":96.7235589353612,"put_iv_pct":436.9334484076431}],"source":"ThetaData EOD Greeks","source_hash":"413c14e1ad84015ca20a795e2e80d997c169d28a958c4f0d8d5616f5c20b87ef","captured_at":"2026-10-21T15:30:01.635518+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-04","iv_pct":298.10818400626613,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-07","call_iv_pct":900.0114367742816,"put_iv_pct":124.48516598290146},{"expiry":"2026-08-14","call_iv_pct":364.84158494511246,"put_iv_pct":259.2432721700501},{"expiry":"2026-08-21","call_iv_pct":123.53629443138357,"put_iv_pct":135.06469730521115},{"expiry":"2026-08-28","call_iv_pct":179.56203868751405,"put_iv_pct":298.1209817536746}],"source":"ThetaData EOD Greeks","source_hash":"1105ada82347ee40615d8b89c2f2d1abd1c414371e83068fe04b658dd7dee734","captured_at":"2026-10-21T15:30:00.125452+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-05","iv_pct":264.870553795927,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-07","call_iv_pct":158.01524366305367,"put_iv_pct":218.80473712095244},{"expiry":"2026-08-14","call_iv_pct":228.7923296442687,"put_iv_pct":697.4708484650555},{"expiry":"2026-08-21","call_iv_pct":105.89302643547471,"put_iv_pct":108.98626647117248},{"expiry":"2026-08-28","call_iv_pct":236.75100738588208,"put_iv_pct":364.25097118155617}],"source":"ThetaData EOD Greeks","source_hash":"8c22b806a1a812c6a856872325647989fcb35e1ee0e0d61e2cce3641a0875513","captured_at":"2026-10-21T15:29:58.647734+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-06","iv_pct":164.83552715298157,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-07","call_iv_pct":101.9868530614596,"put_iv_pct":179.88485433085998},{"expiry":"2026-08-14","call_iv_pct":199.08993443512867,"put_iv_pct":141.4981983362771},{"expiry":"2026-08-21","call_iv_pct":102.04893742068187,"put_iv_pct":125.82140066873268},{"expiry":"2026-08-28","call_iv_pct":156.68969577544658,"put_iv_pct":311.6643431952662}],"source":"ThetaData EOD Greeks","source_hash":"d487967a4471f346fb474c48f439492e85930235766887184dadc1741db89ccc","captured_at":"2026-10-21T15:29:56.636326+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-07","iv_pct":340.8089383394843,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-14","call_iv_pct":607.8169083139084,"put_iv_pct":627.1568042414355},{"expiry":"2026-08-21","call_iv_pct":122.95075332160405,"put_iv_pct":377.8410379403794},{"expiry":"2026-08-28","call_iv_pct":125.92998843233731,"put_iv_pct":209.25320606183897},{"expiry":"2026-09-04","call_iv_pct":382.8836154518719,"put_iv_pct":272.63919295249923}],"source":"ThetaData EOD Greeks","source_hash":"50abab391803b849be90aaa488e0faa6f8790c65875c42a1958940e9a4c49327","captured_at":"2026-10-21T15:29:54.908362+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-10","iv_pct":352.92559757289075,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-14","call_iv_pct":521.1364743917756,"put_iv_pct":248.31222122271632},{"expiry":"2026-08-21","call_iv_pct":620.7783591252328,"put_iv_pct":250.2732691612903},{"expiry":"2026-08-28","call_iv_pct":214.8563577112542,"put_iv_pct":461.61350943396224},{"expiry":"2026-09-04","call_iv_pct":223.54864936843705,"put_iv_pct":282.88594016845775}],"source":"ThetaData EOD Greeks","source_hash":"01b1b16fa3d7e584ebc7c75d419f44d885bfeef024443a953fe9d4f740b887e6","captured_at":"2026-10-21T15:29:53.633214+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-11","iv_pct":201.98900216213943,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-14","call_iv_pct":343.9051614946168,"put_iv_pct":154.18694654836614},{"expiry":"2026-08-21","call_iv_pct":73.74333695509878,"put_iv_pct":123.74045792026998},{"expiry":"2026-08-28","call_iv_pct":140.5717951659156,"put_iv_pct":239.3992101433767},{"expiry":"2026-09-04","call_iv_pct":227.75746472687342,"put_iv_pct":312.60764434259806}],"source":"ThetaData EOD Greeks","source_hash":"f5f7322328592a0c0367ab98527167b25548ff7ee0fb5a92aa34e1f1300ec9b8","captured_at":"2026-10-21T15:29:52.128894+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-12","iv_pct":310.72883270717364,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-14","call_iv_pct":188.88446333576718,"put_iv_pct":834.6855659380153},{"expiry":"2026-08-21","call_iv_pct":91.2577641423501,"put_iv_pct":568.1013761878836},{"expiry":"2026-08-28","call_iv_pct":95.16904886576144,"put_iv_pct":247.45833228671384},{"expiry":"2026-09-04","call_iv_pct":398.39909610907876,"put_iv_pct":61.87501479181885}],"source":"ThetaData EOD Greeks","source_hash":"67c829d02d0445e2b305a56d6a65f54c1c3da74ededaaae49bb55266517d537a","captured_at":"2026-10-21T15:29:50.172991+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-17","iv_pct":136.9311762226472,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-21","call_iv_pct":142.49999834760433,"put_iv_pct":58.60430043915641},{"expiry":"2026-08-28","call_iv_pct":186.08752429105292,"put_iv_pct":71.06836834726622},{"expiry":"2026-09-04","call_iv_pct":180.31519224787647,"put_iv_pct":235.762225},{"expiry":"2026-09-11","call_iv_pct":107.57533859365421,"put_iv_pct":113.53646251456688}],"source":"ThetaData EOD Greeks","source_hash":"8c0026440fdb742f1d56577a4cd42ee53ea3acd7e7e46c0870fb0e4fbff1a4cd","captured_at":"2026-10-21T15:29:44.223302+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-18","iv_pct":94.35646186515785,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-21","call_iv_pct":90.58859402985074,"put_iv_pct":148.24786594176976},{"expiry":"2026-08-28","call_iv_pct":71.73069497871671,"put_iv_pct":81.99313258983886},{"expiry":"2026-09-04","call_iv_pct":133.60795391913229,"put_iv_pct":75.99937357630984},{"expiry":"2026-09-11","call_iv_pct":99.48709882435102,"put_iv_pct":53.196981061293634}],"source":"ThetaData EOD Greeks","source_hash":"2af871a0cb56a3c91c7ff91ba9dda32a19e5cb9feec85d9790f0aa40e1e7e226","captured_at":"2026-10-21T15:29:41.885876+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-21","iv_pct":342.3004236545227,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-28","call_iv_pct":735.9302368520011,"put_iv_pct":427.2214159668331},{"expiry":"2026-09-04","call_iv_pct":354.26448573024584,"put_iv_pct":362.49122863048404},{"expiry":"2026-09-11","call_iv_pct":267.9032589008302,"put_iv_pct":313.5176037059914},{"expiry":"2026-09-18","call_iv_pct":62.976449397982435,"put_iv_pct":214.0987100518135}],"source":"ThetaData EOD Greeks","source_hash":"7152837ae79105d6e820bd575a7c614af75654f536b5c3b9deca78fb7a9769b8","captured_at":"2026-10-21T15:29:35.965649+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-25","iv_pct":339.244864328965,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-08-28","call_iv_pct":640.0163892215569,"put_iv_pct":276.02001200380045},{"expiry":"2026-09-04","call_iv_pct":478.32759586749205,"put_iv_pct":449.8602739240506},{"expiry":"2026-09-11","call_iv_pct":275.813409797331,"put_iv_pct":461.4365357642905},{"expiry":"2026-09-18","call_iv_pct":54.441367351759986,"put_iv_pct":78.04333070143826}],"source":"ThetaData EOD Greeks","source_hash":"84b78976361ca6f87d1aaf6268539a7986640b1c62fe7e0ccec43a4b48b511a3","captured_at":"2026-10-21T15:29:32.908423+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-08-28","iv_pct":253.36518290724916,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-09-04","call_iv_pct":402.45638287061496,"put_iv_pct":136.76944484326395},{"expiry":"2026-09-11","call_iv_pct":519.1911057466353,"put_iv_pct":234.14459591199784},{"expiry":"2026-09-18","call_iv_pct":186.58599390599676,"put_iv_pct":60.93874029043354},{"expiry":"2026-09-25","call_iv_pct":195.04780409784655,"put_iv_pct":291.7873955912042}],"source":"ThetaData EOD Greeks","source_hash":"b7260524a692aca7ea700f377c395d5b464725a109d374f9f8a6a7810dd16e0e","captured_at":"2026-10-21T15:29:27.530010+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-09-18","iv_pct":342.5999589164027,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-09-25","call_iv_pct":308.9948249775333,"put_iv_pct":543.047777603895},{"expiry":"2026-10-02","call_iv_pct":371.750104690283,"put_iv_pct":323.7143024006455},{"expiry":"2026-10-09","call_iv_pct":451.83314512471657,"put_iv_pct":454.2220305143852},{"expiry":"2026-10-16","call_iv_pct":65.98250691781452,"put_iv_pct":221.25497910194855}],"source":"ThetaData EOD Greeks","source_hash":"4bb799f8afe0d2dcd6edd2e52d1b116d0d2f5cea28a13455a805066244e2a5b5","captured_at":"2026-10-21T15:29:03.734913+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-09-22","iv_pct":323.39372627275105,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-09-25","call_iv_pct":804.2470554864782,"put_iv_pct":239.2344829830937},{"expiry":"2026-10-02","call_iv_pct":434.2037576430763,"put_iv_pct":399.1646432449696},{"expiry":"2026-10-09","call_iv_pct":381.92695116828565,"put_iv_pct":136.12024545454545},{"expiry":"2026-10-16","call_iv_pct":53.23947846228084,"put_iv_pct":139.01319573927879}],"source":"ThetaData EOD Greeks","source_hash":"98e77d0190957e52152b4e8de279915d9a48b0c72bcbcfd2c5f3ac9ffbc954a8","captured_at":"2026-10-21T15:29:00.137966+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-09-24","iv_pct":229.42270655606393,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-09-25","call_iv_pct":143.09590226230964,"put_iv_pct":186.84488764383394},{"expiry":"2026-10-02","call_iv_pct":644.5483691955238,"put_iv_pct":298.1529148936169},{"expiry":"2026-10-09","call_iv_pct":282.18075884665785,"put_iv_pct":92.60017129039866},{"expiry":"2026-10-16","call_iv_pct":67.38549047474133,"put_iv_pct":120.5731578414293}],"source":"ThetaData EOD Greeks","source_hash":"905f381aaad8ed5be795d86697cf57035e98927cda968138bee689c1b95b9bfd","captured_at":"2026-10-21T15:28:56.879921+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-09-25","iv_pct":258.83892416318616,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-10-02","call_iv_pct":619.6000962287451,"put_iv_pct":108.10818289886394},{"expiry":"2026-10-09","call_iv_pct":544.2994790628644,"put_iv_pct":119.31789880542154},{"expiry":"2026-10-16","call_iv_pct":144.57309193816883,"put_iv_pct":80.00171511702537},{"expiry":"2026-10-23","call_iv_pct":179.3481230048138,"put_iv_pct":275.46280624958655}],"source":"ThetaData EOD Greeks","source_hash":"51b9f8cb8c40faecd16302a8e13e3fc6cc251d6dfe36d65fcf9203b55c1c553c","captured_at":"2026-10-21T15:28:54.959442+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-09-28","iv_pct":108.62474940615945,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-10-02","call_iv_pct":387.9853931731983,"put_iv_pct":74.08828481356669},{"expiry":"2026-10-09","call_iv_pct":96.14593455677272,"put_iv_pct":66.4428951539668},{"expiry":"2026-10-16","call_iv_pct":64.30912497252143,"put_iv_pct":58.758007251698174},{"expiry":"2026-10-23","call_iv_pct":66.02801049996523,"put_iv_pct":55.24034482758622}],"source":"ThetaData EOD Greeks","source_hash":"9d172a9ff94dcb7806ee275e537a8b4bb4d70e0e6edaf430f5daf5188545999e","captured_at":"2026-10-21T15:28:53.159881+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-10-01","iv_pct":387.0351485915553,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-10-02","call_iv_pct":550.2135826533843,"put_iv_pct":601.1344903808555},{"expiry":"2026-10-09","call_iv_pct":697.5909654411765,"put_iv_pct":206.17467151033276},{"expiry":"2026-10-16","call_iv_pct":276.4537517099192,"put_iv_pct":94.17656644938141},{"expiry":"2026-10-23","call_iv_pct":484.09384294783325,"put_iv_pct":186.44331763955924}],"source":"ThetaData EOD Greeks","source_hash":"6d3af78984ec27fa1d75cc2165f2a58f014d72a02920f9eae18adfd46bf0e2a7","captured_at":"2026-10-21T15:28:47.903800+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-10-02","iv_pct":435.1566138212923,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-10-09","call_iv_pct":757.6802764705883,"put_iv_pct":897.5890505799839},{"expiry":"2026-10-16","call_iv_pct":444.15156010702856,"put_iv_pct":89.85085597163192},{"expiry":"2026-10-23","call_iv_pct":397.56450921870214,"put_iv_pct":174.23332819174183},{"expiry":"2026-10-30","call_iv_pct":351.7912138162595,"put_iv_pct":368.39211621440217}],"source":"ThetaData EOD Greeks","source_hash":"0ac80b01b8760314bc1ec3bf74c34e8042d2b61cd57f4a3047c62d2dc1c24602","captured_at":"2026-10-21T15:28:46.430812+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-10-05","iv_pct":477.52418666911626,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-10-09","call_iv_pct":966.9212581746083,"put_iv_pct":547.6100043936731},{"expiry":"2026-10-16","call_iv_pct":307.98983187006155,"put_iv_pct":88.74947141368531},{"expiry":"2026-10-23","call_iv_pct":417.04796215977,"put_iv_pct":560.412145339175},{"expiry":"2026-10-30","call_iv_pct":466.6542937489118,"put_iv_pct":464.80852625304516}],"source":"ThetaData EOD Greeks","source_hash":"90d693c47eb83d37d6ea94a615d839b551bfa7e35b3c8386453646b8fd66494a","captured_at":"2026-10-21T15:28:44.621634+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-10-09","iv_pct":379.90179620721744,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-10-16","call_iv_pct":490.34309365244536,"put_iv_pct":134.33330078705728},{"expiry":"2026-10-23","call_iv_pct":581.4164775510203,"put_iv_pct":334.9687816631989},{"expiry":"2026-10-30","call_iv_pct":506.8220862008054,"put_iv_pct":210.0794938029594},{"expiry":"2026-11-06","call_iv_pct":391.27402945921295,"put_iv_pct":389.97710654104003}],"source":"ThetaData EOD Greeks","source_hash":"dc5402e67214b0ff067e1aac1855ad344e0f71db0f62e434751a824b6eb5465b","captured_at":"2026-10-21T15:28:38.658260+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"},{"symbol":"ALT","date":"2026-10-16","iv_pct":506.4319704592299,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-10-23","call_iv_pct":861.8443095456292,"put_iv_pct":559.4415293625639},{"expiry":"2026-10-30","call_iv_pct":410.57908177445216,"put_iv_pct":615.7074237609803},{"expiry":"2026-11-06","call_iv_pct":510.29655903131584,"put_iv_pct":374.6070149380318},{"expiry":"2026-11-13","call_iv_pct":394.1345285768084,"put_iv_pct":324.84531668405737}],"source":"ThetaData EOD Greeks","source_hash":"8723fe96c7c5ef3ab036862f2b95f93ddbb826479fb64cff5c67aca17880aaca","captured_at":"2026-10-21T15:28:31.129485+00:00","migrated_from":"theta-four-listed-fridays-50delta-v1","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays"}],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/ALT","methodology":"https://intraalpha.com/resources/options-delta-methodology","units":{"iv_pct":"annualized percent","implied_move_pct":"percent of underlying price","put_call_skew_pp":"percentage points","price":"USD"}}